radv: advertise VK_AMD_shader_image_load_store_lod

This extension allows to use LOD with image read/write operations.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

docs/relnotes/new_features.txt

@@ -4,6 +4,7 @@ GL_ARB_spirv_extensions on radeonsi.
 GL_EXT_direct_state_access for compatibility profile.
 VK_AMD_device_coherent_memory on RADV.
 VK_AMD_mixed_attachment_samples on RADV.
+VK_AMD_shader_image_load_store_lod on RADV.
 VK_EXT_subgroup_size_control on RADV.
 VK_KHR_separate_depth_stencil_layouts on Intel, RADV.
 VK_KHR_shader_subgroup_extended_types on RADV.

src/amd/vulkan/radv_extensions.py

@@ -157,6 +157,7 @@ EXTENSIONS = [
     Extension('VK_AMD_shader_ballot',                     1, 'device->use_shader_ballot'),
     Extension('VK_AMD_shader_core_properties',            1, True),
     Extension('VK_AMD_shader_core_properties2',           1, True),
+    Extension('VK_AMD_shader_image_load_store_lod',       1, True),
     Extension('VK_AMD_shader_info',                       1, True),
     Extension('VK_AMD_shader_trinary_minmax',             1, True),
     Extension('VK_GOOGLE_decorate_string',                1, True),

src/amd/vulkan/radv_shader.c

@@ -362,6 +362,7 @@ radv_shader_compile_to_nir(struct radv_device *device,
 			.lower_ubo_ssbo_access_to_offsets = true,
 			.caps = {
 				.amd_gcn_shader = true,
+				.amd_image_read_write_lod = true,
 				.amd_shader_ballot = device->physical_device->use_shader_ballot,
 				.amd_trinary_minmax = true,
 				.demote_to_helper_invocation = device->physical_device->use_aco,